/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.tsfile.encrypt;

import org.apache.tsfile.file.metadata.enums.EncryptionType;

import java.util.Arrays;

public class NoDecryptor implements IDecryptor {

  NoDecryptor(byte[] key) {}

  @Override
  public byte[] decrypt(byte[] data) {
    return data;
  }

  @Override
  public byte[] decrypt(byte[] data, int offset, int size) {
    return Arrays.copyOfRange(data, offset, offset + size);
  }

  @Override
  public EncryptionType getEncryptionType() {
    return EncryptionType.UNENCRYPTED;
  }
}
